SC Electrician Practice Questions - South Carolina Electrician Contractor Examination Exam

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A 480Y/277-volt switchboard in a North Charleston plant has exposed live parts on one side of the working space and a grounded concrete wall on the other (Condition 2). What is the minimum depth of working space required by Table 110.26(A)(1)?

3 1/2 feet 4 feet 5 feet 3 feet

Correct Answer:

3 1/2 feet

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